Home / 1,992,529,319.65-2,986,201,531.53-810,732,540.76

Finding the Fourth Proportional to 1,992,529,319.65, 2,986,201,531.53 and 810,732,540.76

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Solution

The fourth proportional to 1,992,529,319.65, 2,986,201,531.53 and 810,732,540.76 is: 1,215,043,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,529,319.65 : 2,986,201,531.53 = 810,732,540.76 : x
  2. Step 2: Convert to fraction form
    1,992,529,319.65/2,986,201,531.53 = 810,732,540.76/x
  3. Step 3: Cross multiply
    1,992,529,319.65x = 2,986,201,531.53 × 810,732,540.76
  4. Step 4: Simplify right side
    1,992,529,319.65x = 2,421,010,754,878,720,512
  5. Step 5: Solve for x
    x = 2,421,010,754,878,720,512/1,992,529,319.65
  6. Step 6: Final answer
    x = 1,215,043,980.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.